CN220246164U - Slag iron ditch cover plate structure - Google Patents

Abstract

The utility model relates to a slag runner cover plate structure, which comprises at least two cover plates arranged in sequence along a slag runner, wherein gaps are arranged between the adjacent cover plates, and a movable sealing plate is arranged below the gaps; the two side walls of the slag iron ditch are provided with notches, the notches are positioned on the inner side surfaces of the corresponding side walls, the bottoms of the notches are provided with guard plate angle steels, the guard plate angle steels are correspondingly arranged with the cover plates, sealing plate grooves are arranged between adjacent guard plate angle steels, the movable sealing plates are arranged in the corresponding sealing plate grooves, and the top ends of the movable sealing plates are in contact with the bottom ends of the corresponding cover plates; the cover plate is positioned above the corresponding guard plate angle and is contacted with the guard plate angle steel. The slag iron runner cover plate structure effectively prevents the dust from overflowing along the gap between the cover plates to cause on-site environmental pollution.

Description

Slag iron ditch cover plate structure

Technical Field

The utility model belongs to the technical field of high-temperature slag runner plugging structures, and particularly relates to a slag runner cover plate structure.

Background

At present, the domestic blast furnace is basically provided with a cover plate above the iron slag runner, and the cover plate arranged on the iron slag runner mainly has three functions because the iron slag runner is internally provided with molten iron and slag flowing at high temperature. Firstly, protecting the passing of workers and maintenance vehicles in field operation; secondly, reducing heat loss in the slag iron runner; thirdly, the smoke dust above the slag iron runner is blocked from overflowing, and the furnace environment is ensured. However, the current common cover plate is provided with a gap between the cover plates due to the need of preventing the deformation caused by heat radiation, and smoke overflowed from the gap has large pollution to the field environment and needs to be solved urgently.

Disclosure of Invention

The present utility model is directed to a slag runner cover plate structure and a slag runner cover plate structure, so as to solve the above-mentioned technical problems.

In order to achieve the above object, the present utility model provides the following technical solutions:

the slag runner cover plate structure comprises at least two cover plates which are sequentially arranged along a slag runner, wherein gaps are arranged between the adjacent cover plates, and movable sealing plates are arranged below the gaps; the two side walls of the slag iron ditch are provided with notches, the notches are positioned on the inner side surfaces of the corresponding side walls, the bottoms of the notches are provided with guard plate angle steels, the guard plate angle steels are correspondingly arranged with the cover plates, sealing plate grooves are arranged between adjacent guard plate angle steels, the movable sealing plates are arranged in the corresponding sealing plate grooves, and the top ends of the movable sealing plates are in contact with the bottom ends of the corresponding cover plates; the cover plate is positioned above the corresponding guard plate angle and is contacted with the guard plate angle steel.

Preferably, the edge protection angle steel comprises a horizontal part and a vertical part, the outer edge of the vertical part is flush with the inner wall of the slag iron runner, the top end of the horizontal part is flush with the bottom surface of the notch, and the vertical part and the horizontal part are connected with the slag iron runner.

Preferably, the movable sealing plate is provided with a sealing body, the cover plate is contacted with the corresponding cover plate through the sealing body, and the ductility of the sealing body is larger than that of the cover plate.

Preferably, the sealing body is river sand.

When the slag iron runner cover plate structure provided by the utility model is used, the movable sealing plate stretches across the slag iron runner and is fixed in the sealing plate groove, then the cover plates are sequentially arranged and mounted on the slag iron runner, and when the slag iron runner is used, smoke dust can be blocked by the cover plates and the movable sealing plates, so that the smoke dust is not easy to overflow through gaps between the cover plates, and the on-site environmental pollution caused by the overflow of the smoke dust along the gaps between the cover plates is effectively prevented.

Drawings

FIG. 1 is a schematic view of a cover plate structure of a slag runner in an embodiment;

FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;

FIG. 3 is a schematic view of the cross-sectional B-B structure of FIG. 1;

reference numerals in the drawings; the sealing plate comprises a cover plate 1, a movable sealing plate 2, a side wall 3, guard plate angle steel 4, a vertical part 4-1, a sealing plate groove 5 and a notch 6.

Detailed Description

The present utility model will be further described with reference to the drawings and the specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a slag runner cover plate structure, which comprises at least two cover plates 1 which are sequentially arranged along a slag runner, wherein a gap is arranged between every two adjacent cover plates, and a movable sealing plate 2 is arranged below the gap; the two side walls 3 of the slag iron ditch are provided with notches 6, the notches are positioned on the inner side surfaces of the corresponding side walls, the bottoms of the notches are provided with guard plate angle steels 4, the guard plate angle steels are correspondingly arranged with the cover plates, sealing plate grooves 5 are arranged between the adjacent guard plate angle steels, the movable sealing plates 2 are arranged in the corresponding sealing plate grooves, and the top ends of the movable sealing plates are in contact with the bottom ends of the corresponding cover plates; the cover plate is positioned above the corresponding guard plate angle and is contacted with the guard plate angle steel. In this embodiment, the edge protection angle steel includes horizontal part and vertical part 4-1, the outward flange of vertical part with the inner wall of slag runner flushes, the top of horizontal part flushes with the bottom surface of breach, vertical part with horizontal part all with slag runner connection.

When the slag iron runner cover plate structure is used, the movable sealing plate stretches across the slag iron runner and then is fixed in the sealing plate groove, then the cover plates are sequentially arranged and installed on the slag iron runner, and when the slag iron runner is used, smoke dust can be blocked by the cover plates and the movable sealing plates, so that the smoke dust is not easy to overflow through gaps between the cover plates, and the on-site environmental pollution caused by the overflow of the smoke dust along the gaps between the cover plates is effectively prevented.

In one embodiment, the movable sealing plate is provided with a sealing body, the cover plates are contacted with the corresponding cover plates through the sealing body, the ductility of the sealing body is larger than that of the cover plates, so that when the cover plates are deformed by heat radiation, the sealing body is extruded to deform, the heat deformation of the cover plates is influenced under the condition that the sealing performance of the sealing body is maintained, in the embodiment, the sealing body is river sand, and in the actual manufacturing process, a sealing plate groove 5 is formed at a butt joint gap of each movable cover plate 1 and the size of the sealing body is slightly larger than that of each sealing plate 2; the movable cover plate 1 is placed on the side wall 3, and the movable sealing plate 2 is placed on the sealing plate groove 5; river sand and the like are sealed at the upper part of the movable sealing plate 5 and used for further sealing treatment, and finally the cover plate is sequentially covered in the notch, and finally the notch can be filled with the river sand and the like, so that the sealing performance of the cover plate structure is improved. When repairing the ditch, the movable cover plate 1 is removed by using the hoisting equipment, and then the movable sealing plate 2 is removed.

In one embodiment, the movable cover plate adopts a steel frame structure, the inside of the movable cover plate is provided with a heat insulation material, and the lower part of the movable cover plate is provided with a refractory material.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The slag runner cover plate structure comprises at least two cover plates (1) which are sequentially arranged along a slag runner, and gaps are arranged between the adjacent cover plates, and the slag runner cover plate structure is characterized in that a movable sealing plate (2) is arranged below the gaps;

the two side walls (3) of the slag iron ditch are provided with notches (6), the notches are positioned on the inner side surfaces of the corresponding side walls, the bottoms of the notches are provided with guard plate angle steels (4), the guard plate angle steels are correspondingly arranged with the cover plates, sealing plate grooves (5) are arranged between adjacent guard plate angle steels, the movable sealing plates (2) are arranged in the corresponding sealing plate grooves, and the top ends of the movable sealing plates are in contact with the bottom ends of the corresponding cover plates;

the cover plate is positioned above the corresponding guard plate angle and is contacted with the guard plate angle steel.

2. A slag runner cover plate structure as claimed in claim 1, wherein the guard plate angle steel (4) comprises a horizontal portion and a vertical portion (4-1), the outer edge of the vertical portion is flush with the inner wall of the slag runner, the top end of the horizontal portion is flush with the bottom surface of the notch, and the vertical portion and the horizontal portion are connected with the slag runner.

3. A slag runner cover plate structure as claimed in claim 1 or claim 2 wherein the movable sealing plate is provided with a seal by which the cover plate is in contact with the respective cover plate, the seal having a ductility greater than that of the cover plate.

4. A cover plate structure for a slag runner as claimed in claim 3 wherein the sealing body is river sand.